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9.8 +BPPPKA: PPP Keep-alive option

Description

This command configures the keep-alive feature of a modem WAN PPP connection.

When enabled, the modem sends an LCP echo request each time no packet is received for the

specified inactivity timer. If the specified maximum number of consecutive echo attempts fails to

receive a response, the PPP connection will be reset. The reception of an IP packet on the PPP

connection or an echo response reset the inactivity timer and the failure counter.

Availability

Since FW version 3.1.1

Command Syntax

AT+BPPPKA=<Delay_s>,<Count Before Reset>

Response Syntax

+BPPPKA: <Delay_s>,<Count Before Reset>

Defined Values

<Delay_s>

0 Disable the PPP keep-alive feature (default).

1–86400 Delay in seconds before sending an LCP echo request when no

packet has been received.

0 Do not reset the connection (default).

1-1023 Count of failures to terminate the existing PPP connection.

Note: The changes in the configuration of the PPP keep-alive feature are only taken into effect

at the next connection. AT+BWANON=0 will disconnect the WAN connection. When the

modem is configured in always-on, it will automatically reconnect. If configured for on-

demand connections, it will remain disconnected until a new connection request is

received.

Example:

Commands Responses

AT+BPPPKA?

+BPPPKA:20,5

AT+BPPPKA=20,5 OK

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BlueTree 5000 Manual de usuario Pagina 71